Question

Writeva balanced chemical eqation for the reaction between marble(caco3)and dilute hydrochloric acid

Answer 1

When hydrochloric acid reacts with any carbonates/hydrogen carbonates the products formed are metal chloride , water and carbon dioxide.Since HCl decomposes salts of weaker acids.

So the equation of the reaction between calcium carbonate  and HCl is:
CaCO3+2HCl =CaCl2+2H2O+CO2

This reaction is also known as double decomposition reaction.
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Answer 2

this is your answer ......